Whose spreads what and why

"So while younger generations are being blamed, in some quarters, for the pandemic’s spread, they are bearing the greatest burden of poverty and the brunt of the transmission risk that comes with keeping the economy going, all with little help in sight"

I have a child who is a single mother working double shits to support her family   I am more than  concerned 

 source    www.nationalgeographic.com/science    By Rebecca Renner   Photograph by Christopher Lee, The New York Times via Redux